OBD-II code · Powertrain (generic)
P0798 Pressure Control Solenoid C Electrical
The TCM detects an electrical fault in the pressure control solenoid C circuit, such as open winding, short to ground or short to power.
Is it safe to drive with P0798?
Usually safe for short trips, but don’t ignore it: the underlying fault can get more expensive over time.
Common causes
- Most likelySolenoid coil open
- PossibleWiring shorted
Symptoms
- Check engine or transmission warning light on
- Harsh, delayed, or missing shifts
- Possible limp mode (locked in one gear)
- Slipping or shuddering during gear changes
Repair at a glance
- Difficulty
- Hard
- DIY friendly
- Best left to a mechanic
- Typical labour
- 2–6 h
- Emissions test
- Usually unaffected
- Parts involved
- Pressure Control Solenoid, Wiring Harness, Tcm
Related codes
- P0748Pressure Control Solenoid A Electrical
- P0778Pressure Control Solenoid B Electrical
- P08BDPressure Control Solenoid L Electrical
- P08C6Pressure Control Solenoid M Electrical
- P2716Pressure Control Solenoid D Electrical
- P2725Pressure Control Solenoid E Electrical
- P2734Pressure Control Solenoid F Electrical
- P27BBPressure Control Solenoid N Electrical
- P27C3Pressure Control Solenoid P Electrical
- P27CBPressure Control Solenoid R Electrical
- P27D3Pressure Control Solenoid S Electrical
- P27DBPressure Control Solenoid T Electrical
- P0795Pressure Control Solenoid C
- P0796Pressure Control Solenoid C Performance
- P0797Pressure Control Solenoid C Stuck On
- P0799Pressure Control Solenoid C Intermittent
- P079ATransmission Friction Element A Slip Detected
- P079BTransmission Friction Element B Slip Detected
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.